CA1296070C - Fondeur electrique pour substances de verre a resistivite electrique elevee - Google Patents

Fondeur electrique pour substances de verre a resistivite electrique elevee

Info

Publication number: CA1296070C
Authority: CA; Canada
Prior art keywords: electrodes; batch; melting; glass; peripheral
Prior art date: 1987-01-12
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Lifetime

Application number

CA000555850A

Other languages

English (en)

Inventor

Ronald W. Palmquist

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Corning Inc

Original Assignee

Corning Glass Works

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1987-01-12

Filing date

1988-01-05

Publication date

1992-02-18

1988-01-05 Application filed by Corning Glass Works filed Critical Corning Glass Works

1992-02-18 Application granted granted Critical

1992-02-18 Publication of CA1296070C publication Critical patent/CA1296070C/fr

2009-02-18 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

239000011521 glass Substances 0.000 title claims abstract description 86
239000000463 material Substances 0.000 title claims description 46
238000002844 melting Methods 0.000 claims abstract description 106
230000008018 melting Effects 0.000 claims abstract description 106
WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims abstract description 20
230000002706 hydrostatic effect Effects 0.000 claims abstract description 13
238000007654 immersion Methods 0.000 claims abstract description 11
230000002093 peripheral effect Effects 0.000 claims description 73
239000006060 molten glass Substances 0.000 claims description 43
230000004927 fusion Effects 0.000 claims description 14
238000010438 heat treatment Methods 0.000 claims description 14
238000000034 method Methods 0.000 claims description 12
239000007789 gas Substances 0.000 claims description 8
230000000717 retained effect Effects 0.000 claims description 8
230000000694 effects Effects 0.000 claims description 5
238000010304 firing Methods 0.000 claims description 4
239000011819 refractory material Substances 0.000 description 11
230000007797 corrosion Effects 0.000 description 4
238000005260 corrosion Methods 0.000 description 4
229910052845 zircon Inorganic materials 0.000 description 4
GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 4
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
229910052783 alkali metal Inorganic materials 0.000 description 3
150000001340 alkali metals Chemical class 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
239000003513 alkali Substances 0.000 description 2
239000005388 borosilicate glass Substances 0.000 description 2
230000005611 electricity Effects 0.000 description 2
239000000155 melt Substances 0.000 description 2
239000000203 mixture Substances 0.000 description 2
239000004215 Carbon black (E152) Substances 0.000 description 1
PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 1
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
238000005576 amination reaction Methods 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000012141 concentrate Substances 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000007547 defect Effects 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
230000008030 elimination Effects 0.000 description 1
238000003379 elimination reaction Methods 0.000 description 1
230000004907 flux Effects 0.000 description 1
239000005350 fused silica glass Substances 0.000 description 1
239000006066 glass batch Substances 0.000 description 1
239000003365 glass fiber Substances 0.000 description 1
229930195733 hydrocarbon Natural products 0.000 description 1
150000002430 hydrocarbons Chemical class 0.000 description 1
230000002045 lasting effect Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
229910052750 molybdenum Inorganic materials 0.000 description 1
239000011733 molybdenum Substances 0.000 description 1
239000000615 nonconductor Substances 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
230000021715 photosynthesis, light harvesting Effects 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
239000011591 potassium Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000011734 sodium Substances 0.000 description 1
239000004753 textile Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/225—Refining
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
- C03B5/027—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating
- C03B5/03—Tank furnaces
- C03B5/031—Cold top tank furnaces
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/18—Stirring devices; Homogenisation
- C03B5/183—Stirring devices; Homogenisation using thermal means, e.g. for creating convection currents
- C03B5/185—Electric means

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Glass Melting And Manufacturing (AREA)
Vertical, Hearth, Or Arc Furnaces (AREA)

CA000555850A 1987-01-12 1988-01-05 Fondeur electrique pour substances de verre a resistivite electrique elevee Expired - Lifetime CA1296070C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US07/002,577 US4737966A (en)	1987-01-12	1987-01-12	Electric melter for high electrical resistivity glass materials
US002,577		1987-01-12

Publications (1)

Publication Number	Publication Date
CA1296070C true CA1296070C (fr)	1992-02-18

Family

ID=21701434

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000555850A Expired - Lifetime CA1296070C (fr)	1987-01-12	1988-01-05	Fondeur electrique pour substances de verre a resistivite electrique elevee

Country Status (4)

Country	Link
US (1)	US4737966A (fr)
EP (1)	EP0275174A1 (fr)
JP (1)	JPS63185831A (fr)
CA (1)	CA1296070C (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10016872C1 (de) *	2000-04-05	2001-10-31	Schott Glas	Vorrichtung zum Herstellen einer Glasschmelze
EP1557399A3 (fr) *	2001-08-20	2005-10-26	Schott AG	Procédé et appareil pour la fabrication de verre en fusion
GB201313653D0 (en) *	2013-07-31	2013-09-11	Knauf Insulation Doo Skofja Loka	Melting of vitrifiable material
TWI764952B (zh) *	2016-11-08	2022-05-21	美商康寧公司	用於形成玻璃製品之設備及方法
CN107365054B (zh) *	2017-07-27	2021-06-04	彩虹（合肥）液晶玻璃有限公司	一种用于玻璃熔融加热的窑炉装置
CN113784930A (zh) *	2019-05-08	2021-12-10	Ａｇｃ株式会社	熔体的制造方法、玻璃物品的制造方法、熔解装置和玻璃物品的制造装置
WO2022075016A1 (fr) *	2020-10-08	2022-04-14	Ａｇｃ株式会社	Dispositif de fusion du verre, procédé de production de verre et procédé de remplacement de matériau de base de verre fondu
WO2023228720A1 (fr) *	2022-05-26	2023-11-30	日本電気硝子株式会社	Procédé de production d'un article en verre

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH245612A (fr) *	1944-04-27	1946-11-30	Electroverre Romont Sa	Procédé pour la fusion de matières premières vitrifiables, et four pour la mise en oeuvre de ce procédé.
BE750821A (fr) *	1970-05-22	1970-11-03	Verlica Momignies S A	Four de verrerie,
US3806621A (en) *	1971-05-17	1974-04-23	Owens Corning Fiberglass Corp	Electric furnace
US3818112A (en) *	1973-04-30	1974-06-18	Corhart Refractories Co	Electrical furnace for melting glass
US3842180A (en) *	1974-01-21	1974-10-15	Owens Corning Fiberglass Corp	Apparatus and method for starting an electric glass melting furnace
GB1473091A (fr) *	1974-03-14	1977-05-11
US4483008A (en) *	1982-01-26	1984-11-13	Owens-Corning Fiberglas Corporation	Arc gap controller for glass-melting furnace

1987
- 1987-01-12 US US07/002,577 patent/US4737966A/en not_active Expired - Fee Related
1988
- 1988-01-05 CA CA000555850A patent/CA1296070C/fr not_active Expired - Lifetime
- 1988-01-12 EP EP88300211A patent/EP0275174A1/fr not_active Withdrawn
- 1988-01-12 JP JP63004649A patent/JPS63185831A/ja active Pending

Also Published As

Publication number	Publication date
EP0275174A1 (fr)	1988-07-20
JPS63185831A (ja)	1988-08-01
US4737966A (en)	1988-04-12

Legal Events

Date	Code	Title	Description
1995-08-19	MKLA	Lapsed

Publication	Publication Date	Title
US3717450A (en)	1973-02-20	Furnace for manufacture of striationfree quartz tubing
US3109045A (en)	1963-10-29	Electrically heated glass melting unit
US4491951A (en)	1985-01-01	Electric glass melting furnace
JP4242586B2 (ja)	2009-03-25	無機物質を溶融ないし精製するためのスカル坩堝
JP2006516046A (ja)	2006-06-15	溶融物加熱方法および装置
JP2738423B2 (ja)	1998-04-08	ガラス用電熱熔融炉
CA1296070C (fr)	1992-02-18	Fondeur electrique pour substances de verre a resistivite electrique elevee
US1897973A (en)	1933-02-14	Method of and apparatus for melting glass
ES8600726A1 (es)	1985-10-16	Un horno de fusion de vidrio
US2559683A (en)	1951-07-10	Electric enamel furnace
JP2005053757A (ja)	2005-03-03	ガラスの製造装置及び製造方法
CA1202057A (fr)	1986-03-18	Fours de fusion du verre
US3806621A (en)	1974-04-23	Electric furnace
US3928014A (en)	1975-12-23	Method for producing flat glass
US2281408A (en)	1942-04-28	Method and apparatus for manufacture and treatment of glass and analogous substances
US4796276A (en)	1989-01-03	Melting furnace
JP4074568B2 (ja)	2008-04-09	光学ガラスの製造方法
CA1088313A (fr)	1980-10-28	Appareil d'affinage du verre
US4638490A (en)	1987-01-20	Melting furnaces
US3321289A (en)	1967-05-23	Rotatable current baffle in glass flow furnace
US4224460A (en)	1980-09-23	Electrode heating device for use in glass melting furnaces
US3527590A (en)	1970-09-08	Apparatus for melting glass
SU581124A1 (ru)	1977-11-25	Способ получени плавленных материалов
JPS6236972B2 (fr)	1987-08-10
SU958335A1 (ru)	1982-09-15	Ванна стекловаренна печь